package lab03.test12;

import java.sql.*;


/**
 * Created by dell on 2017/12/29.
 */
public class Test {
    public static void main(String[] args) {
        //加载驱动
        Connection connection = null;
        Statement statement = null;
        ResultSet resultSet = null;
        //表名字：t_users
        String sql = "select * FROM t_users";
        String sql1 = "select * FROM t_users where username='admin'";
        String sql2 = "select * from t_users where username='admin' and password='123456'";
        String sql3 = "select * from t_users where register_datetime>10000000";
        try {
            Class.forName("com.mysql.jdbc.Driver" +
                    "");
            try {
                connection= DriverManager.getConnection(
                        "jdbc:mysql://localhost:3306/java_2017?serverTimezone=UTC",
                        "root",
                        "123456"
                );
                statement = connection.createStatement();
                resultSet = statement.executeQuery(sql);
                resultSet = statement.executeQuery(sql1);
                resultSet = statement.executeQuery(sql2);
                resultSet = statement.executeQuery(sql3);
                while (resultSet.next()) {
                    System.out.println(resultSet.getString(1) + " " +
                            resultSet.getString(2) + " " + resultSet.getString(3) +
                            " " + resultSet.getString(4));
                }
            } catch (SQLException e) {
                e.printStackTrace();
            }
        } catch (ClassNotFoundException e) {
            e.printStackTrace();
        }
    }
}